Created
October 14, 2017 10:35
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Leaflet Tile Stamen
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(function(exports) { | |
/* | |
* tile.stamen.js v1.3.0 | |
*/ | |
var SUBDOMAINS = "a. b. c. d.".split(" "), | |
MAKE_PROVIDER = function(layer, type, minZoom, maxZoom) { | |
return { | |
"url": ["http://{S}tile.stamen.com/", layer, "/{Z}/{X}/{Y}.", type].join(""), | |
"type": type, | |
"subdomains": SUBDOMAINS.slice(), | |
"minZoom": minZoom, | |
"maxZoom": maxZoom, | |
"attribution": [ | |
'Map tiles by <a href="http://stamen.com/">Stamen Design</a>, ', | |
'under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. ', | |
'Data by <a href="http://openstreetmap.org/">OpenStreetMap</a>, ', | |
'under <a href="http://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>.' | |
].join("") | |
}; | |
}, | |
PROVIDERS = { | |
"toner": MAKE_PROVIDER("toner", "png", 0, 20), | |
"terrain": MAKE_PROVIDER("terrain", "png", 0, 18), | |
"terrain-classic": MAKE_PROVIDER("terrain-classic", "png", 0, 18), | |
"watercolor": MAKE_PROVIDER("watercolor", "jpg", 1, 18), | |
"trees-cabs-crime": { | |
"url": "http://{S}.tiles.mapbox.com/v3/stamen.trees-cabs-crime/{Z}/{X}/{Y}.png", | |
"type": "png", | |
"subdomains": "a b c d".split(" "), | |
"minZoom": 11, | |
"maxZoom": 18, | |
"extent": [ | |
{"lat": 37.853, "lon": -122.577}, | |
{"lat": 37.684, "lon": -122.313} | |
], | |
"attribution": [ | |
'Design by Shawn Allen at <a href="http://stamen.com/">Stamen</a>.', | |
'Data courtesy of <a href="http://fuf.net/">FuF</a>,', | |
'<a href="http://www.yellowcabsf.com/">Yellow Cab</a>', | |
'& <a href="http://sf-police.org/">SFPD</a>.' | |
].join(" ") | |
} | |
}; | |
PROVIDERS["terrain-classic"].url = "http://{S}tile.stamen.com/terrain/{Z}/{X}/{Y}.png"; | |
// set up toner and terrain flavors | |
setupFlavors("toner", ["hybrid", "labels", "lines", "background", "lite"]); | |
setupFlavors("terrain", ["background", "labels", "lines"]); | |
// toner 2010 | |
deprecate("toner", ["2010"]); | |
// toner 2011 flavors | |
deprecate("toner", ["2011", "2011-lines", "2011-labels", "2011-lite"]); | |
var odbl = [ | |
"toner", | |
"toner-hybrid", | |
"toner-labels", | |
"toner-lines", | |
"toner-background", | |
"toner-lite", | |
"terrain", | |
"terrain-background", | |
"terrain-lines", | |
"terrain-labels", | |
"terrain-classic" | |
]; | |
for (var i = 0; i < odbl.length; i++) { | |
var key = odbl[i]; | |
PROVIDERS[key].retina = true; | |
PROVIDERS[key].attribution = [ | |
'Map tiles by <a href="http://stamen.com/">Stamen Design</a>, ', | |
'under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. ', | |
'Data by <a href="http://openstreetmap.org">OpenStreetMap</a>, ', | |
'under <a href="http://www.openstreetmap.org/copyright">ODbL</a>.' | |
].join(""); | |
} | |
/* | |
* Export stamen.tile to the provided namespace. | |
*/ | |
exports.stamen = exports.stamen || {}; | |
exports.stamen.tile = exports.stamen.tile || {}; | |
exports.stamen.tile.providers = PROVIDERS; | |
exports.stamen.tile.getProvider = getProvider; | |
function deprecate(base, flavors) { | |
var provider = getProvider(base); | |
for (var i = 0; i < flavors.length; i++) { | |
var flavor = [base, flavors[i]].join("-"); | |
PROVIDERS[flavor] = MAKE_PROVIDER(flavor, provider.type, provider.minZoom, provider.maxZoom); | |
PROVIDERS[flavor].deprecated = true; | |
} | |
}; | |
/* | |
* A shortcut for specifying "flavors" of a style, which are assumed to have the | |
* same type and zoom range. | |
*/ | |
function setupFlavors(base, flavors, type) { | |
var provider = getProvider(base); | |
for (var i = 0; i < flavors.length; i++) { | |
var flavor = [base, flavors[i]].join("-"); | |
PROVIDERS[flavor] = MAKE_PROVIDER(flavor, type || provider.type, provider.minZoom, provider.maxZoom); | |
} | |
} | |
/* | |
* Get the named provider, or throw an exception if it doesn't exist. | |
*/ | |
function getProvider(name) { | |
if (name in PROVIDERS) { | |
var provider = PROVIDERS[name]; | |
if (provider.deprecated && console && console.warn) { | |
console.warn(name + " is a deprecated style; it will be redirected to its replacement. For performance improvements, please change your reference."); | |
} | |
return provider; | |
} else { | |
throw 'No such provider (' + name + ')'; | |
} | |
} | |
/* | |
* StamenTileLayer for modestmaps-js | |
* <https://github.com/modestmaps/modestmaps-js/> | |
* | |
* Works with both 1.x and 2.x by checking for the existence of MM.Template. | |
*/ | |
if (typeof MM === "object") { | |
var ModestTemplate = (typeof MM.Template === "function") | |
? MM.Template | |
: MM.TemplatedMapProvider; | |
MM.StamenTileLayer = function(name) { | |
var provider = getProvider(name); | |
this._provider = provider; | |
MM.Layer.call(this, new ModestTemplate(provider.url, provider.subdomains)); | |
this.provider.setZoomRange(provider.minZoom, provider.maxZoom); | |
this.attribution = provider.attribution; | |
}; | |
MM.StamenTileLayer.prototype = { | |
setCoordLimits: function(map) { | |
var provider = this._provider; | |
if (provider.extent) { | |
map.coordLimits = [ | |
map.locationCoordinate(provider.extent[0]).zoomTo(provider.minZoom), | |
map.locationCoordinate(provider.extent[1]).zoomTo(provider.maxZoom) | |
]; | |
return true; | |
} else { | |
return false; | |
} | |
} | |
}; | |
MM.extend(MM.StamenTileLayer, MM.Layer); | |
} | |
/* | |
* StamenTileLayer for Leaflet | |
* <http://leaflet.cloudmade.com/> | |
* | |
* Tested with version 0.3 and 0.4, but should work on all 0.x releases. | |
*/ | |
if (typeof L === "object") { | |
L.StamenTileLayer = L.TileLayer.extend({ | |
initialize: function(name, options) { | |
var provider = getProvider(name), | |
url = provider.url.replace(/({[A-Z]})/g, function(s) { | |
return s.toLowerCase(); | |
}), | |
opts = L.Util.extend({}, options, { | |
"minZoom": provider.minZoom, | |
"maxZoom": provider.maxZoom, | |
"subdomains": provider.subdomains, | |
"scheme": "xyz", | |
"attribution": provider.attribution, | |
sa_id: name | |
}); | |
L.TileLayer.prototype.initialize.call(this, url, opts); | |
} | |
}); | |
/* | |
* Factory function for consistency with Leaflet conventions | |
*/ | |
L.stamenTileLayer = function (options, source) { | |
return new L.StamenTileLayer(options, source); | |
}; | |
} | |
/* | |
* StamenTileLayer for OpenLayers | |
* <http://openlayers.org/> | |
* | |
* Tested with v2.1x. | |
*/ | |
if (typeof OpenLayers === "object") { | |
// make a tile URL template OpenLayers-compatible | |
function openlayerize(url) { | |
return url.replace(/({.})/g, function(v) { | |
return "$" + v.toLowerCase(); | |
}); | |
} | |
// based on http://www.bostongis.com/PrinterFriendly.aspx?content_name=using_custom_osm_tiles | |
OpenLayers.Layer.Stamen = OpenLayers.Class(OpenLayers.Layer.OSM, { | |
initialize: function(name, options) { | |
var provider = getProvider(name), | |
url = provider.url, | |
subdomains = provider.subdomains, | |
hosts = []; | |
if (url.indexOf("{S}") > -1) { | |
for (var i = 0; i < subdomains.length; i++) { | |
hosts.push(openlayerize(url.replace("{S}", subdomains[i]))); | |
} | |
} else { | |
hosts.push(openlayerize(url)); | |
} | |
options = OpenLayers.Util.extend({ | |
"numZoomLevels": provider.maxZoom, | |
"buffer": 0, | |
"transitionEffect": "resize", | |
// see: <http://dev.openlayers.org/apidocs/files/OpenLayers/Layer/OSM-js.html#OpenLayers.Layer.OSM.tileOptions> | |
// and: <http://dev.openlayers.org/apidocs/files/OpenLayers/Tile/Image-js.html#OpenLayers.Tile.Image.crossOriginKeyword> | |
"tileOptions": { | |
"crossOriginKeyword": null | |
}, | |
"attribution": provider.attribution | |
}, options); | |
return OpenLayers.Layer.OSM.prototype.initialize.call(this, name, hosts, options); | |
} | |
}); | |
} | |
/* | |
* StamenMapType for Google Maps API V3 | |
* <https://developers.google.com/maps/documentation/javascript/> | |
*/ | |
if (typeof google === "object" && typeof google.maps === "object") { | |
// Extending Google class based on a post by Bogart Salzberg of Portland Webworks, | |
// http://www.portlandwebworks.com/blog/extending-googlemapsmap-object | |
google.maps.ImageMapType = (function(_constructor){ | |
var f = function() { | |
if (!arguments.length) { | |
return; | |
} | |
_constructor.apply(this, arguments); | |
} | |
f.prototype = _constructor.prototype; | |
return f; | |
})(google.maps.ImageMapType); | |
google.maps.StamenMapType = function(name) { | |
var provider = getProvider(name), | |
subdomains = provider.subdomains; | |
return google.maps.ImageMapType.call(this, { | |
"getTileUrl": function(coord, zoom) { | |
var numTiles = 1 << zoom, | |
wx = coord.x % numTiles, | |
x = (wx < 0) ? wx + numTiles : wx, | |
y = coord.y, | |
index = (zoom + x + y) % subdomains.length; | |
return provider.url | |
.replace("{S}", subdomains[index]) | |
.replace("{Z}", zoom) | |
.replace("{X}", x) | |
.replace("{Y}", y); | |
}, | |
"tileSize": new google.maps.Size(256, 256), | |
"name": name, | |
"minZoom": provider.minZoom, | |
"maxZoom": provider.maxZoom | |
}); | |
}; | |
// FIXME: is there a better way to extend classes in Google land? | |
// Possibly fixed, see above ^^^ | SC | |
google.maps.StamenMapType.prototype = new google.maps.ImageMapType; | |
} | |
})(typeof exports === "undefined" ? this : exports); |
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